@tldraw/editor/dist-esm/lib/primitives/geometry/Group2d.mjs.map

A tiny little drawing app (editor).

{
  "version": 3,
  "sources": ["../../../../src/lib/primitives/geometry/Group2d.ts"],
  "sourcesContent": ["import { Box } from '../Box'\nimport { Vec } from '../Vec'\nimport { Geometry2d, Geometry2dOptions } from './Geometry2d'\n\n/** @public */\nexport class Group2d extends Geometry2d {\n\tchildren: Geometry2d[] = []\n\tignoredChildren: Geometry2d[] = []\n\n\tconstructor(\n\t\tconfig: Omit<Geometry2dOptions, 'isClosed' | 'isFilled'> & {\n\t\t\tchildren: Geometry2d[]\n\t\t}\n\t) {\n\t\tsuper({ ...config, isClosed: true, isFilled: false })\n\n\t\tfor (const child of config.children) {\n\t\t\tif (child.ignore) {\n\t\t\t\tthis.ignoredChildren.push(child)\n\t\t\t} else {\n\t\t\t\tthis.children.push(child)\n\t\t\t}\n\t\t}\n\n\t\tif (this.children.length === 0) throw Error('Group2d must have at least one child')\n\t}\n\n\toverride getVertices(): Vec[] {\n\t\treturn this.children.filter((c) => !c.isLabel).flatMap((c) => c.vertices)\n\t}\n\n\toverride nearestPoint(point: Vec): Vec {\n\t\tlet dist = Infinity\n\t\tlet nearest: Vec | undefined\n\n\t\tconst { children } = this\n\n\t\tif (children.length === 0) {\n\t\t\tthrow Error('no children')\n\t\t}\n\n\t\tlet p: Vec\n\t\tlet d: number\n\t\tfor (const child of children) {\n\t\t\tp = child.nearestPoint(point)\n\t\t\td = Vec.Dist2(p, point)\n\t\t\tif (d < dist) {\n\t\t\t\tdist = d\n\t\t\t\tnearest = p\n\t\t\t}\n\t\t}\n\t\tif (!nearest) throw Error('nearest point not found')\n\t\treturn nearest\n\t}\n\n\toverride distanceToPoint(point: Vec, hitInside = false) {\n\t\treturn Math.min(...this.children.map((c, i) => c.distanceToPoint(point, hitInside || i > 0)))\n\t}\n\n\toverride hitTestPoint(point: Vec, margin: number, hitInside: boolean): boolean {\n\t\treturn !!this.children\n\t\t\t.filter((c) => !c.isLabel)\n\t\t\t.find((c) => c.hitTestPoint(point, margin, hitInside))\n\t}\n\n\toverride hitTestLineSegment(A: Vec, B: Vec, zoom: number): boolean {\n\t\treturn !!this.children.filter((c) => !c.isLabel).find((c) => c.hitTestLineSegment(A, B, zoom))\n\t}\n\n\tgetArea() {\n\t\t// todo: this is a temporary solution, assuming that the first child defines the group size; we would want to flatten the group and then find the area of the hull polygon\n\t\treturn this.children[0].area\n\t}\n\n\ttoSimpleSvgPath() {\n\t\tlet path = ''\n\t\tfor (const child of this.children) {\n\t\t\tpath += child.toSimpleSvgPath()\n\t\t}\n\n\t\tconst corners = Box.FromPoints(this.vertices).corners\n\t\t// draw just a few pixels around each corner, e.g. an L shape for the bottom left\n\n\t\tfor (let i = 0, n = corners.length; i < n; i++) {\n\t\t\tconst corner = corners[i]\n\t\t\tconst prevCorner = corners[(i - 1 + n) % n]\n\t\t\tconst prevDist = corner.dist(prevCorner)\n\t\t\tconst nextCorner = corners[(i + 1) % n]\n\t\t\tconst nextDist = corner.dist(nextCorner)\n\n\t\t\tconst A = corner.clone().lrp(prevCorner, 4 / prevDist)\n\t\t\tconst B = corner\n\t\t\tconst C = corner.clone().lrp(nextCorner, 4 / nextDist)\n\n\t\t\tpath += `M${A.x},${A.y} L${B.x},${B.y} L${C.x},${C.y} `\n\t\t}\n\t\treturn path\n\t}\n\n\tgetLength(): number {\n\t\treturn this.children.reduce((a, c) => (c.isLabel ? a : a + c.length), 0)\n\t}\n\n\tgetSvgPathData(): string {\n\t\treturn this.children.map((c, i) => (c.isLabel ? '' : c.getSvgPathData(i === 0))).join(' ')\n\t}\n}\n"],
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  "names": []
}